| Abbreviation | Definition |
|---|---|
| DAQMG | Deputy Assistant Quartermaster General |
| DAR | Daily Activity Report |
| DAR | Daughters of the American Revolution |
| DAR | Defense Acquisition Reform |
| DAR | Defense Acquisition Regulation |
| DAR | Defense Acquisition Regulations |
| DAR | Distortion Adaptive Receiver |
| DARA | Defense Aviation Repair Agency |
| DARAD | Deviation Approval and Risk Acceptance Document |
| DARCOM | Development and Readiness Command |
| DARCOM | U.S. Army Materiel Development and Readiness Command |
| DARLA | Database for Army Research Lab Additive |
| DARMS | Developmental Army Readiness and Mobilization System |
| DARNG | Director of the Army National Guard |
| DARO | Defense Airborne Reconnaissance Office |
| DARPA | Death Army of Robots Pounding Ass |
| DARPA | Defense Advanced Research Projects Development Agency |
| DARPA | U.S. Defense Advanced Research Projects Agency |
| DARPS | Differential Absolute and Relative Positioning System |
| DARS | Defense Acquisition Regulation System |